From the foreword:
"The present book is certainly not the only one dealing with poison frogs [...], however, it fills a particular gap. It consolidates everything that is known about poison frogs. Its comprehensive bibliography demonstrates in an impressive manner just how many treatises on the systematics and biology of the Dendrobatoidea have been published over the past thirty or so years. Terrarium keepers and zoologists who now wish to keep and study poison frogs need not repeat the mistakes we made at the time. They can tap into the latest state of knowledge on the systematics, biology and taxonomy of this fascinating group of animals and find out easily how to best observe, keep and breed them and which diseases may occasionally occur. I can only wish this book to become widely used."